EN 10083-1 Grade 41Cr4 surface hardened

Equivalent material: GB 40Cr, GB 40CrAH, GB A20455, IS 40Cr4, ISO 41Cr4, JIS SCr440H, GOST 40Ch, GOST 40Г, KS SCr440H, ASTM A29 Grade 5140, ASTM A304 Grade 5140H, UNS G51400, EN 1.7035, DIN 1.7035, DIN 41Cr4, AFNOR 41Cr4, BS 41Cr4, BS 530M40, UNE 41Cr4, AISI 5140, AISI 5140H, SAE 5140, SAE 5140H, JIS SCr440, JIS SCr440WCH, JIS SCr440M, GOST 41H, GOST 38ChA, GB/T 40Cr, GB/T A20402, ASTM 5140, UNS H51400, IS 40Cr1

EN 10083-1 Grade 41Cr4 surface hardened general

Property	Temperature	Value
Density	20.0 °C	Density of 7.83 - 7.85 g/cm³

EN 10083-1 Grade 41Cr4 surface hardened thermal

Property	Temperature	Value	Comment
Coefficient of thermal expansion	-100.0 °C	Coefficient of thermal expansion of 1.05E-5 1/K	-
-	20.0 °C	Coefficient of thermal expansion of 1.15E-5 1/K	-
-	100.0 °C	Coefficient of thermal expansion of 1.11E-5 - 1.21E-5 1/K	-
-	200.0 °C	Coefficient of thermal expansion of 1.21E-5 - 1.27E-5 1/K	-
-	300.0 °C	Coefficient of thermal expansion of 1.29E-5 - 1.32E-5 1/K	-
-	400.0 °C	Coefficient of thermal expansion of 1.35E-5 - 1.36E-5 1/K	-
-	500.0 °C	Coefficient of thermal expansion of 1.4E-5 1/K	-
-	600.0 °C	Coefficient of thermal expansion of 1.44E-5 1/K	-
Melting point	-	Melting point of 1382 - 1529 °C	Typical for Chromium Steel
Specific heat capacity	-100.0 °C	Specific heat capacity of 423 J/(kg·K)	-
-	20.0 °C	Specific heat capacity of 460 - 461 J/(kg·K)	-
-	100.0 °C	Specific heat capacity of 479 J/(kg·K)	-
-	200.0 °C	Specific heat capacity of 499 J/(kg·K)	-
-	300.0 °C	Specific heat capacity of 517 J/(kg·K)	-
-	400.0 °C	Specific heat capacity of 536 J/(kg·K)	-
-	500.0 °C	Specific heat capacity of 558 J/(kg·K)	-
-	600.0 °C	Specific heat capacity of 587 J/(kg·K)	-
Thermal conductivity	20.0 °C	Thermal conductivity of 45.1 - 46 W/(m·K)	-
-	100.0 °C	Thermal conductivity of 45.1 W/(m·K)	-
-	200.0 °C	Thermal conductivity of 44.1 W/(m·K)	-
-	300.0 °C	Thermal conductivity of 41.9 W/(m·K)	-
-	400.0 °C	Thermal conductivity of 39.4 W/(m·K)	-
-	500.0 °C	Thermal conductivity of 36.9 W/(m·K)	-
-	600.0 °C	Thermal conductivity of 34.4 W/(m·K)	-
Thermal diffusivity	20.0 °C	Thermal diffusivity of 12.5 mm²/s	-
-	100.0 °C	Thermal diffusivity of 11.6 mm²/s	-
-	200.0 °C	Thermal diffusivity of 10.6 mm²/s	-
-	300.0 °C	Thermal diffusivity of 9.5 mm²/s	-
-	400.0 °C	Thermal diffusivity of 8.4 mm²/s	-
-	500.0 °C	Thermal diffusivity of 7.1 mm²/s	-
-	600.0 °C	Thermal diffusivity of 5.8 mm²/s	-

EN 10083-1 Grade 41Cr4 surface hardened magnetic

Property	Value
Carbon	Carbon of 0.38 - 0.45 %
Chromium	Chromium of 0.9 - 1.2 %
Copper	Copper of 0.4 %
Manganese	Manganese of 0.6 - 0.9 %
Phosphorus	Phosphorus of 0.03 %
Silicon	Silicon of 0.1 - 0.4 %
Sulfur	Sulfur of 0.035 %

EN 10083-1 Grade 41Cr4 surface hardened electrical

Property	Temperature	Value
Electrical resistivity	20.0 °C	Electrical resistivity of 1.9E-7 - 2.31E-7 Ω·m
-	100.0 °C	Electrical resistivity of 2.84E-7 Ω·m
-	200.0 °C	Electrical resistivity of 3.58E-7 Ω·m
-	300.0 °C	Electrical resistivity of 4.48E-7 Ω·m
-	400.0 °C	Electrical resistivity of 5.52E-7 Ω·m
-	500.0 °C	Electrical resistivity of 6.71E-7 Ω·m
-	600.0 °C	Electrical resistivity of 8.06E-7 Ω·m

EN 10083-1 Grade 41Cr4 surface hardened mechanical

Property	Temperature	Value
Elastic modulus	-100.0 °C	Elastic modulus of 217 GPa
-	20.0 °C	Elastic modulus of 210 - 212 GPa
-	100.0 °C	Elastic modulus of 205 - 207 GPa
-	200.0 °C	Elastic modulus of 195 - 199 GPa
-	300.0 °C	Elastic modulus of 185 - 192 GPa
-	400.0 °C	Elastic modulus of 175 - 184 GPa
-	500.0 °C	Elastic modulus of 175 GPa
-	600.0 °C	Elastic modulus of 164 GPa
Poisson's ratio	20.0 °C	Poisson's ratio of 0.28 [-]
Shear modulus	20.0 °C	Shear modulus of 81 GPa